It’s here. It’s in production. It’s coming.
But then again, it’s 30th March, so it couldn’t be a worse time to release this. It has been confirmed, though, that a Little Busters! anime will be coming soon.

From what I can tell, it’s not A1 Pictures because the colours aren’t trippy enough. From the line quality, the backgrounds and the way they draw the eyes in the PV (basically, the animation quality in general), for now, I can conclude that yes, Little Busters! will be animated by Kyoto Animation.